Part 37

MICHAEL, E.

1911. Classification and Vertical Distribution of the Chætognatha of the San Diego Region. Univ. of Calif. Pub. Zoöl., Vol. VIII, pp. 21-186.

The distribution is studied as a response to the conditions of life, and the optima are determined.

MILLS, W.

1898. The Nature and Development of Animal Intelligence. pp. 307. New York.

Valuable account of the habits of squirrels. Observations on hibernation, and on the psychic development of the young of some of the domestic animals.

MONTGOMERY, T. H.

1903. Studies on the Habits of Spiders, particularly those of the Mating Period. Proc. Acad. Nat. Sci. Phila., 1903, pp. 59-149.

Contains a valuable bibliography.

1908. Further Studies on the Activities of Araneads. Amer. Nat., Vol. XLII, pp. 697-709.

1910. Further Studies on the Activities of Araneads, II. Proc. Acad. Nat. Sci. Phila., 1909, pp. 548-569.

1910. The Significance of the Courtship and Secondary Sexual Characters of Araneads. Amer. Nat., Vol. XLIV, pp. 151-177.

NEWMAN, H. H.

1906. The Habits of Certain Tortoises. Jour. Comp. Neurol. and Psychol., Vol. XVI, pp. 126-152.

NEWMAN, H. H., and PATTERSON, J. T.

1909. Field Studies of the Behavior of the Lizard, Sceloporus Spinosus Floridanus. Bull. Univ. of Texas, No. 137, pp. 1-24.

ORTMANN, A. E.

1905. The Crawfishes of the State of Pennsylvania. Mem. Carnegie Mus., Vol. II, pp. 343-523.

Habits and habitats of crawfish.

PARKER, G. H.

1903. The Phototropism of the Mourning-cloak Butterfly, Vanessa Antiopa Linn. Mark Anniversary Volume, pp. 453-469. New York.

1903. The Sense of Hearing in Fishes. Amer. Nat., Vol. XXXVII, pp. 185-204.

1905. The Functions of the Lateral-Line Organs of Fishes. U. S. Bur. Fisheries, Bull. Vol. XXIV, pp. 185-207.

1908. The Sensory Reactions of Amphioxus. Proc. Amer. Acad. Arts and Sciences, Vol. XLIII, pp. 415-455.

1910. The Reactions of Sponges, with a Consideration of the Origin of the Nervous System. Jour. Exp. Zoöl., Vol. VIII, pp. 1-41.

PEARL, R.

1903. The Movements and Reactions of Fresh Water Planarians. Quart. Jour. Micros. Sci., Vol. XLVI, pp. 509-714.

A good example of a very detailed study of behavior of a lower animal.